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A Distributed Topology Control Technique for Low Interference and Energy Efficiency in Wireless Sensor Networks

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2 Author(s)
Chiwewe, T.M. ; Dept. of Electr., Univ. of Pretoria, Pretoria, South Africa ; Hancke, G.P.

Topology control plays an important role in the design of wireless ad hoc and sensor networks; it is capable of constructing networks that have desirable characteristics such as sparser connectivity, lower transmission power, and a smaller node degree. In this research, a new distributed topology control technique is presented that enhances energy efficiency and reduces radio interference in wireless sensor networks. Each node in the network makes local decisions about its transmission power and the culmination of these local decisions produces a network topology that preserves global connectivity. Central to this topology control technique is the novel Smart Boundary Yao Gabriel Graph (SBYaoGG) and optimizations to ensure that all links in the network are symmetric and energy efficient. Simulation results are presented demonstrating the effectiveness of this new technique as compared to other approaches to topology control.

Published in:

Industrial Informatics, IEEE Transactions on  (Volume:8 ,  Issue: 1 )